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Finding the Fourth Proportional to 3,606.52, 5,409.78 and 1,554.52

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Solution

The fourth proportional to 3,606.52, 5,409.78 and 1,554.52 is: 2,331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.52 : 5,409.78 = 1,554.52 : x
  2. Step 2: Convert to fraction form
    3,606.52/5,409.78 = 1,554.52/x
  3. Step 3: Cross multiply
    3,606.52x = 5,409.78 × 1,554.52
  4. Step 4: Simplify right side
    3,606.52x = 8,409,611.21
  5. Step 5: Solve for x
    x = 8,409,611.21/3,606.52
  6. Step 6: Final answer
    x = 2,331.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.